RegressionTable table = new RegressionTable();
table.addParameter( new Parameter( "p0", -16.9456960387809d ) );
table.addParameter( new Parameter( "p1", 11.7592159418536d, new CovariantPredictor( "sepal_length" ) ) );
table.addParameter( new Parameter( "p2", 7.84157781514097d, new CovariantPredictor( "sepal_width" ) ) );
table.addParameter( new Parameter( "p3", -20.0880078273996d, new CovariantPredictor( "petal_length" ) ) );
table.addParameter( new Parameter( "p4", -21.6076488529538d, new CovariantPredictor( "petal_width" ) ) );
regressionSpec.addRegressionTable( table );
PredictionRegressionFunction regressionFunction = new PredictionRegressionFunction( regressionSpec );